Stay updated with real-time air quality in Essex, UK featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
33
Good
Essex, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.22 μg/m³
0
55
155
255
425
605+
35.30 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
4.36 ppb
0
54
101
361
1250
2050+
0.03 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Essex, UK
Essex, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 31
Good
5.32μg/m³
PM2.5
14.47μg/m³
PM10
33.00ppb
O3
0.37ppb
SO2
8.13ppb
NO2
0.03ppm
CO
AQI 33
Good
4.25μg/m³
PM2.5
16.96μg/m³
PM10
35.69ppb
O3
0.37ppb
SO2
4.14ppb
NO2
0.04ppm
CO
AQI 30
Good
4.65μg/m³
PM2.5
11.93μg/m³
PM10
32.43ppb
O3
0.31ppb
SO2
11.99ppb
NO2
0.01ppm
CO
AQI 32
Good
5.15μg/m³
PM2.5
14.72μg/m³
PM10
35.14ppb
O3
0.33ppb
SO2
3.96ppb
NO2
0.02ppm
CO
AQI 34
Good
4.97μg/m³
PM2.5
13.07μg/m³
PM10
36.65ppb
O3
0.35ppb
SO2
5.11ppb
NO2
0.04ppm
CO
AQI 34
Good
4.45μg/m³
PM2.5
10.43μg/m³
PM10
37.13ppb
O3
0.36ppb
SO2
2.84ppb
NO2
0.07ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Essex, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Essex, UK was at its worst at 09:00:00 on 2026-03-28.
In the last 24 hours, the best air quality in Essex, UK was observed at 10:00:00 on 2026-03-29.
As of now, the AQI in Essex, UK is 31, indicating Good conditions.
Essex, UK air has the highest levels of O3.
Poor air quality in Essex, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Essex, UK are currently 5.106 μg/m3.
The PM10 concentration in Essex, UK is 12.772 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Essex, UK is 0.049 ppm.
Currently, Essex, UK has a sulfur dioxide (SO2) concentration of 0.438 ppb.
The current ozone (O3) level in Essex, UK at the moment is 33.607 ppm.
Nitrogen dioxide (NO2) level in Essex, UK at the moment is 4.096 ppb.
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